EPI Primary Clutch Spring (Drive) kimpex226616 minimizes stretching while maintaining a

minimizes stretching while maintaining a flat profile

Heavy gauge steel construction holds up to 80 lbs

The Bead Buster XB-455 for ATV's and UTV's was designed with the home mechanic and trail rider in mind

All steel components are zinc plated for long life and use in the harshest conditions

EPI Primary Clutch Spring (Drive) kimpex226616 minimizes stretching while maintaining aLargest selection of springs to tune from. Designed from the highest quality material. All EPI springs manufactured using a 5% tolerance which is the lowest in the industry. ISO 9000 Certified. Fine tune your engagement and top RPM as you like.